Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"93907 - Gymnoschoenus sphaerocephalus (R. Br.) Hook. f., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-99986. Accessed 19 Jan. 2025.